1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "GrGLContext.h" 9 10 //////////////////////////////////////////////////////////////////////////////// 11 12 GrGLContextInfo& GrGLContextInfo::operator= (const GrGLContextInfo& that) { 13 fInterface.reset(SkSafeRef(that.fInterface.get())); 14 fGLVersion = that.fGLVersion; 15 fGLSLGeneration = that.fGLSLGeneration; 16 fVendor = that.fVendor; 17 fRenderer = that.fRenderer; 18 fIsMesa = that.fIsMesa; 19 fIsChromium = that.fIsChromium; 20 *fGLCaps = *that.fGLCaps.get(); 21 return *this; 22 } 23 24 bool GrGLContextInfo::initialize(const GrGLInterface* interface) { 25 this->reset(); 26 // We haven't validated the GrGLInterface yet, so check for GetString 27 // function pointer 28 if (interface->fFunctions.fGetString) { 29 const GrGLubyte* verUByte; 30 GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION)); 31 const char* ver = reinterpret_cast<const char*>(verUByte); 32 33 const GrGLubyte* rendererUByte; 34 GR_GL_CALL_RET(interface, rendererUByte, GetString(GR_GL_RENDERER)); 35 const char* renderer = reinterpret_cast<const char*>(rendererUByte); 36 37 if (interface->validate()) { 38 39 fGLVersion = GrGLGetVersionFromString(ver); 40 if (GR_GL_INVALID_VER == fGLVersion) { 41 return false; 42 } 43 44 if (!GrGetGLSLGeneration(interface, &fGLSLGeneration)) { 45 return false; 46 } 47 48 fVendor = GrGLGetVendor(interface); 49 50 fRenderer = GrGLGetRendererFromString(renderer); 51 52 fIsMesa = GrGLIsMesaFromVersionString(ver); 53 54 fIsChromium = GrGLIsChromiumFromRendererString(renderer); 55 56 // This must occur before caps init. 57 fInterface.reset(SkRef(interface)); 58 59 return fGLCaps->init(*this, interface); 60 } 61 } 62 return false; 63 } 64 65 bool GrGLContextInfo::isInitialized() const { return SkToBool(fInterface.get()); } 66 67 void GrGLContextInfo::reset() { 68 fInterface.reset(NULL); 69 fGLVersion = GR_GL_VER(0, 0); 70 fGLSLGeneration = static_cast<GrGLSLGeneration>(0); 71 fVendor = kOther_GrGLVendor; 72 fRenderer = kOther_GrGLRenderer; 73 fIsMesa = false; 74 fIsChromium = false; 75 fGLCaps->reset(); 76 } 77
